package com.sunhao.gulimall.product.config;

import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@EnableConfigurationProperties(CacheProperties.class)
@EnableCaching
@Configuration
public class MyCacheConfig {

    /**
     * 还需要让配置文件中的生效
     * @return
     */
    @Bean
    RedisCacheConfiguration redisCacheConfiguration(CacheProperties cacheProperties)
    {
        RedisCacheConfiguration config = RedisCacheConfiguration.defaultCacheConfig();

        config.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        config.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));

        CacheProperties.Redis redisProperties = cacheProperties.getRedis();
        //配置文件中的所有配置都生效
        if (redisProperties.getTimeToLive() != null)
        {
            config = config.entryTtl(redisProperties.getTimeToLive());
        }
        if (redisProperties.getKeyPrefix() != null)
        {
            config = config.prefixKeysWith(redisProperties.getKeyPrefix());
        }

        if (!redisProperties.isCacheNullValues() )
        {
            config = config.disableCachingNullValues();
        }

        if (!redisProperties.isUseKeyPrefix())
        {
            config = config.disableKeyPrefix();
        }
        return config;
    }
}
